Refrigerator



FIG. 1 is a front, right side, perspective view of a refrigeratorshowing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof, shown in open condition; and,

FIG. 9 is a perspective view thereof, shown in another open condition.

CLAIM The ornamental design for a refrigerator, as shown and described.